PARK CITY COUNTY WASTEWATER TREATMENT FACILITY, Park City Division, MT: NPDES MTG581007 discharge permit, effluent exceedances, inspections, penalties

PARK CITY COUNTY WASTEWATER TREATMENT FACILITY, Park City Division, Montana: General permit coverage MTG581007, held by PARK CITY WATER AND SEWER DISTRICT; Publicly owned treatment works; Administratively continued; issued January 17, 2018, term to December 31, 2022; discharges to VANDENBERG DRAIN DITCH.

7 of the 15 pollutants listed for NPDES MTG581007 have no violation or effluent exceedance.

• Solids, total suspended: 6 limits, 20 violations of any kind, 20 effluent exceedances, latest May 31, 2026, largest 81% over the limit.
• Solids, suspended percent removal: 1 limit, 4 violations of any kind, 4 effluent exceedances, latest June 30, 2026, largest 38% over the limit.
• E. coli, MTEC-MF: 4 limits, 3 violations of any kind, 3 effluent exceedances, latest December 31, 2019, largest 154% over the limit.
• BOD, 5-day, 20 deg. C: 6 limits, 7 violations of any kind, 1 effluent exceedance, latest September 30, 2018, largest 44% over the limit.
• pH: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest August 31, 2020.
• BOD, 5-day, percent removal: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2018, largest 4% over the limit.
• Nitrogen, total [as N]: 2 limits, 2 violations of any kind.
• Nitrogen, Kjeldahl, total [as N]: 1 limit, 1 violation of any kind.
• Flow rate: 2 limits.
• Oil & Grease: 2 limits.
• Nitrogen, ammonia total [as N]: 2 limits.
• Nitrite + Nitrate total [as N]: 2 limits.
• Phosphorus, total [as P]: 2 limits.
• Duration of discharge: 1 limit.
• Oil and grease visual: 1 limit.

• August 11, 2026: Letter of Violation/ Warning Letter (State).
• August 11, 2026: Letter of Violation/ Warning Letter (State).
• July 10, 2026: Letter of Violation/ Warning Letter (State).
• June 10, 2026: Letter of Violation/ Warning Letter (State).
• May 8, 2026: Letter of Violation/ Warning Letter (State).
• March 27, 2024: Reporting Violations - Improper/ Incorrect Reporting (ST6).
• June 24, 2020: Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) (ST6).
• June 24, 2020: Monitoring Violations - Analysis not Conducted (ST6).
• June 24, 2020: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).
• June 24, 2020: Reporting Violations - Improper/ Incorrect Reporting (ST6).

Montana holds 53 Publicly owned treatment works coverages of this permit type in EPA’s file; 38 were issued before MTG581007.

Coverages issued nearest MTG581007

• 2017-12-28: OUTLOOK SEWER AND WATER WWTF, Outlook: MTG580026, held by OUTLOOK COUNTY SEWER AND WATER
• 2017-12-28: CITY OF BAKER WWTF, Baker: MTG580029, held by CITY OF BAKER
• 2017-12-29: FALLON WWTF, Fallon: MTG580025, held by FALLON WATER AND SEWER DISTRICT
• 2018-01-17: TOWN OF LAVINA WWTF, Lavina: MTG580013, held by TOWN OF LAVINA
• 2018-01-17: TOWN OF TERRY WWTF, Terry: MTG580017, held by TOWN OF TERRY
• 2018-01-17: CITY OF TOWNSEND WASTEWATER TREATMENT PLANT, Townsend: MTG581020, held by CITY OF TOWNSEND
• 2018-01-17: TOWN OF EUREKA WWTP, Eureka: MTG581032, held by TOWN OF EUREKA
• 2018-01-17: CITY OF TROY WASTEWATER TREATMENT FACILITY, Troy: MTG581038, held by CITY OF TROY
• 2018-01-18: TOWN OF SACO, Saco: MTG580012
• 2018-01-18: TOWN OF BROADUS WWTF, Broadus: MTG580015, held by TOWN OF BROADUS

PARK CITY COUNTY WASTEWATER TREATMENT FACILITY among its neighbors

3 discharge permits are in the Yellowstone River-Bellion Creek subwatershed (HUC 100700040601); MTG581007 is one. Its county: 41, 0 major; MTG581007 is minor permit.

Other permits in the Yellowstone River-Bellion Creek subwatershed (HUC 100700040601)

• BULLSEYE FEEDLOT - PARK CITY UNIT, Park City: MTG010135, minor, term to 2023-10-31
• PARK CITY - COUNTY WWTF, Park City: MTG580007, minor, term to 1998-05-31